Marc Suderman Consulting

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"A soil system for nutrient and energy production is a living system in which bacteria and the many soil organisms must receive nutrition and energy from proteins, carbohydrates and cellulose and lignin---all organic materials in a soil that has a managed supply of both air and water within a balanced chemical environment. This chemical balance involves more than just N, P and K. It requires an equilibrium of pH, calcium, magnesium, sodium, potash, humus and a nutritional balance of sulfur to nitrogen, nitrogen to calcium, calcium to magnesium, magnesium to potash and sodium. Without this balanced equilibrium, neither the organic system nor the N, P and K system has any enduring potential for soil building or plant nutrition. This total equilibrium is even more essential for the vital nourishment of man." - Hands-On Agronomy by Neal Kinsey